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IntlChar::isalpha

PHP function Edit on GitHub ✎

(PHP 7, PHP 8)

Check if code point is a letter character

Description

IntlChar::isalpha(int|string $codepoint): bool|null

Determines whether the specified code point is a letter character. true for general categories "L" (letters).

Returns true if codepoint is a letter character, false if not. Returns null on failure.

Example

php

<?php
var_dump(IntlChar::isalpha("A"));
var_dump(IntlChar::isalpha("1"));
var_dump(IntlChar::isalpha("\u{2603}"));
?>

The above example will output:

output

bool(true)
bool(false)
bool(false)